【多选题】
Which two actions are prerequisites to adding ESXi 6.x hosts to a vSphere Distributed Switch? (Choose two.)___
A. Verify that there is at least one Distributed Port Group on the Distributed Switch.
B. Verify that the Distributed Port Group have active uplinks configured in its teaming and failover policy.
C. Verify that the
D. istributed Switch has been configured with a Network Profile.
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相关试题
【多选题】
An organization has configured Distributed Power Management (DPM) on a vSphere 6 cluster. The organization wants to be alerted when an ESXi host has been powered down by DPM. Which two options represent the type and name of the alarm that would accomplish this? (Choose two.)___
A. DrsEnteringStandbyModeEvent
B. DrsEnteredStandbyModeEvent
C. Event-based
D. Condition-based
【多选题】
Which two allow for the disabling of Network Rollback operations? (Choose two.)___
A. Modifying the vpxd advanded configuration options and adding the config.vpxd.network.rollback key
B. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the<rollback> xml tag
C. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the <networkrollback> xml tag
D. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\firstboot\vpxd-service- spec.prop file and adjusting the <rollback> xml tag
【多选题】
An administrator is tasked with performing a vMotion migration of a virtual machine. The virtual machine is configured as follows: <vSphere Flash Read Cache (vFRC) enabled> <Is part of a Distributed Resource Cluster (DRS) Cluster> Which two statements are true? (Choose two.)___
A. Each ESXi host in the cluster supports multiple virtual flash resources.
B. Each ESXi host in the cluster supports one virtual flash resource.
C. DRS treats powered-on virtual machines with Flash Read Cache as having a preferred affinity to their current host and moves them only for mandatory reasons.
D. DRS treats powered-on virtual machines with Flash Read Cache as having a required affinity to their current host and does not move them.
【多选题】
An administrator is using the Host Failures to Tolerate Admission Control Policy for a vSphere High Availability ___ cluster. When configuring this setting on the cluster, the administrator sees this error message: <Insufficient resources to satisfy HA failover level on cluster > What are two likely causes for the error? (Choose two.)(AB)
A. The hosts in the cluster are disconnected.
B. A host in the cluster is displaying an HA error.
C.
D. istributed Resource Scheduler has not been configured on the cluster.
【多选题】
What are two ways to identify TCP/IP stack information? (Choose two.)___
A. Using the vSphere Web Client
B. Using esxcli network ip netstack
C. Using esxcfg-netstack
D. Using the vSphere Client
【多选题】
Which two actions are required when enabling vFlash Read Cache for a virtual machine's virtual disk? (Choose two.)___
A. A value in the Virtual Flash Read Cache text box must be entered.
B. A Flash Resource Pool for Cache size reservation must be entered.
C. The Device backing and the block size must be configured.
D. The
E. nable virtual flash host swap cache check box must be selected.
【多选题】
What two IT infrastructure components are virtualized by vSphere Essentials? (Choose two.)___
A. Networks
B. Applications
C. Storage
D. Management
【多选题】
When attempting to access a virtual machine, an administrator is unable to login using the vSphere credentials. What two options are probable causes of the authentication failure? (Choose two.)___
A. The vSphere credentials have not been granted permissions.
B. The vSphere credentials are granted read-only permissions.
C. The vSphere credentials are granted no-access permissions.
D. The vSphere credentials are not a member of the local administrator group.
【多选题】
An administrator is performing a scripted installation of ESXi 6.x. In which three locations does the script need to be? (Choose three.)___
A. PXE Server
B. HTTPS
C. FTP
D. NFS
E. VVOLs Datastore
【多选题】
In order for a company to meet regulatory requirements, all ESXi 6.x Hosts must be configured to direct logs to a syslog server. What are two ways ESXi hosts can configured for this action? (Choose two)___
A. Use the esxcli system syslog command.
B. Edit them in the ESXi host Advanced System Settings.
C. From the Syslog collector user interface of the Web Client.
D. Syslog logging is not available for
E. SXi Hosts.
【多选题】
Which three actions can be executed when an alarm is triggered? (Choose three.)___
A. Send an email.
B. Send an SNMP trap.
C. Run a script or command.
D. Run an Orchestrator workflow.
E. Send a trigger to syslog.
【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
A. Storage access to the virtual machine swap file has been lost.
B. One of the virtual machine VMDK files is locked.
C. Virtual machine is running CentOS 7.0 64-bit.
D. Virtual machine has Hyper-Threading enabled.
【多选题】
An administrator has configured a host profile so that ESXi 6.x hosts will point to the corporate NTP server for time synchronization. The NTP server is located at 10.0.30.213, but time has not been synchronized properly across the ESXi hosts. The administrator reviews Host Profile settings as shown in the Exhibit. Which two steps are required to resolve the issue? (Choose two.)___
A. Correct the NTP server IP address.
B. Check the host for host profile compliance.
C. Remediate the host based on the updated host profile.
D. Change the NTP server to the FQDN as IP Addresses are not supported.
【多选题】
An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
A. Use multiple NICs for the vMotion vmkernel port.
B. Use a 10Gbps Network card for the vMotion vmkernel port.
C. Add an additional management network to help transmit the data quicker.
D. Disable Fault Tolerance before performing the vMotion.
【多选题】
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
A. Maintenance mode is unable to migrate all virtual machines from the host.
B. There is a large number of virtual machines that must be migrated from the host.
C. VMware High Availability is in the process of reconfiguring the cluster.
D. Each virtual machine on the
E. SXi host must be reconfigured to recognize the new adapter.
【多选题】
Which two events happen when Distributed Resource Scheduler (DRS) is disabled? (Choose two.)___
A. The cluster's resource pool heirarchy and affinity rules are re-established when DRS is turned back on.
B. The cluster's resource pool hierarchy and affinity rules are not re-established when DRS is turned back on.
C. The cluster's resource pools are removed from the cluster.
D. The cluster's resource pools are removed from the cluster and assigned to the hosts.
【多选题】
Which two networking connection types can be configured on a virtual switch? (Choose two.)___
A. Virtual machine portgroups
B. VMkernel services (such as NFS, iSCSI, or vMotion) to the physical network
C. Web services over the Management Network
D. NFS and FCoE storage services
【多选题】
An administrator creates a DRS cluster of eight ESXi 6.x hosts. There are 10 virtual machines balanced across the hosts. An attempt to place the first host into maintenance mode fails. What are two reasons that the host failed to enter maintenance mode? (Choose two.)___
A. The DRS cluster Automation Level is set to Partially Automated mode.
B. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Should run on hosts in group.
C. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Must run on hosts in group.
D. One of the virtual machines on the
E. SXi Host entering maintenance mode is configured with an individual Automation Level set to Partially Automated.
【多选题】
When modifying a vApp, which two vSphere entities can be added? (Choose two.)___
A. A resource pool
B. A network pool
C. A vApp
D. A folder
【多选题】
From which two locations in the inventory hierarchy can you deploy a virtual machine using a template? (Choose two.)___
A. Directly from the template.
B. From a compute resource.
C. From an existing virtual machine.
D. From a Datastore.
【多选题】
A company has decided to implement Virtual SAN within their vSphere 6.x environment. The Virtual SAN cluster will be composed of three ESXi 6.x hosts that are on the Virtual SAN Ready Node list. Each ESXi host includes: <Two SAS Controllers that support Passthrough Mode> < Four Solid State Drives (SSDs) 1TB in size each> <20 SAS Magnetic Disks (MDs) 1TB in size each> <The SSDs and MDs are evenly split between the two SAS controllers>. The company will pilot a Virtual SAN cluster utilizing VMware best practices while maximizing storage capacity. The Virtual SAN cluster will use Manual Mode. Which two Disk Group configurations would meet the stated configuration requirements? (Choose two.)___
A. 4 disk groups with 1 SSD and 5 MDs each
B. 2 disk groups with 1 SSD and 7 MDs each
C. 2 disk groups with 2 SSDs and 7 MDs each
D. 2 disk groups with 1 SSD and 10 MDs each
【多选题】
A physical Windows 2008 R2 Server is converted to a virtual machine using VMware vCenter Converter. Upon completion of the conversion and subsequent power on operation, the virtual machine fails to boot and the message below is observed in the Console of the virtual machine: <STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE>. Which two potential issues may be causing this boot failure? (Choose two.)___
A. An incorrect SCSI controller was selected during conversion.
B. Incompatible software drivers were migrated into the virtual machine from the source machine.
C. The vmdk file backing the virtual machine was thick provisioned.
D. A snapshot was taken immediately after the conversion completed.
【多选题】
An administrator is configuring the Failover Order option on a vSphere Distributed Switch. Which two options should be used with IP-hash load balancing? (Choose two.)___
A. Active Uplinks
B. Standby Uplinks
C. Unused Uplinks
D. Override Failover Order
【多选题】
An administrator is configuring the Maximum Transmission Unit value on a vSphere Distributed Switch. Which two options are typical values for ESXi networking? (Choose two.)___
A. 1492
B. 1500
C. 9000
D. 9089
【多选题】
Which two configurable options apply to both virtual machine CPU and memory allocation? (Choose two.)___
A. Reservation
B. Shares
C. Resource Pool
D. Reserve All
【多选题】
When attempting to power on a Virtual Machine you observe the following error: <Cannot open the disk '/vmfs/volumes/volume/vm/vm-000002.vmdk' or one of the snapshot disks it depends on.> Which three actions will be the best solutions to address this problem? (Choose three.)___
A. Verify that the virtual machine's disk files are present.
B. Investigate the host and virtual machine log files.
C. Verify the vmdk descriptor files and if required, recreate them.
D. Delete the disk file preventing the power on operation.
E. Migrate or register the virtual machine to a different host.
【多选题】
An administrator has been tasked with enabling High Availability ___ on a cluster in a vSphere 6.x environment with default settings. The cluster configures properly and there are no errors. The next day when powering on a virtual machine, an error is presented: <Not Enough Failover Resources>. Which three scenarios are likely causes of this error message? (Choose three.)(CDE)
A. The default VM Monitoring Sensitivity is set too high.
B. There are not enough datastore heartbeat datastores configured by default.
C. The default slot size in the cluster is set too high.
D. There are virtual machines with large CPU reservations.
E. A host is in maintenance mode for a replacement of a failed Hard Drive.
【多选题】
vMotion can be performed between which three physical boundaries? (Choose three.)___
A. Between two vCenter Server Systems
B. Between two vSphere Distributed Virtual Switches
C. Between two vCenter Server Datacenter objects
D. Between two VMware NSX Layer 4 segments
E. Between two NFS datastores
【多选题】
An administrator configures vSphere Replication for a virtual machine and enables multiple point in time (PIT) instances under the recovery settings in the Configure Replication wizard. Which two statements are correct for vSphere Replication with multiple point in time instances enabled? (Choose two.)___
A. vSphere Replication retains a number of snapshot instances of the virtual machine on the target site based on the retention policy that you specify.
B. vSphere Replication uses the virtual machine's snapshot instances to define the target site Point in Time instance based on the retention policy that you specify.
C. vSphere Replication does not support virtual machines with snapshots.
D. vSphere Replication supports virtual machines with snapshots.
【多选题】
An administrator is virtualizing a physical application server and adding it to an existing multi-tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the administrator needs to ensure the license will function properly in the virtual machine. Which two actions can the administrator take to satisfy this task? (Choose two.)___
A. Set the MAC address for the vNIC in the guest operating system.
B. Install the physical server's NIC into the ESXi host.
C. Configure the MAC address for the vNIC using the vSphere Web Client.
D. Assign the physical server NIC's MAC address in the vSphere Distributed Switch.
【多选题】
Which two Fibre Channel zoning options are supported with vSphere 6.x? (Choose two.)___
A. Single-Initiator
B. Single-Initiator-Single-Target
C. Multiple-Initiators-Single-Target
D. Multiple-Initiators-Multiple-Targets
【多选题】
An administrator is attempting to remove an ESXi 6.x host from a vSphere Distributed Switch (vDS). When the administrator attempts to remove the host, the following error is observed: <The resource '16' is still in use.> What three steps are needed to successfully remove the host from the switch? (Choose three.)___
A. Select Manage Ports on the vDS for the host.
B. Locate all ports currently in use on the vDS for the host.
C. Migrate or delete any vmkernel or virtual machine adapters associated with the switch.
D. Remove all network cards from the switch before trying to remove the host.
E. Create a standard switch for everything to be automatically be migrated to.
【多选题】
Which two Virtual SAN related actions might start resynchronization of virtual machine objects? (Choose two.)___
A. Editing a virtual machine storage policy to increase the number of replicas.
B. Editing a virtual machine storage policy to reduce the number of replicas.
C. Editing a virtual machine storage policy to increase the number of disk stripes.
D. Editing a virtual machine storage policy to reduce the number of disk stripes.
【多选题】
An administrator is troubleshooting basic network connectivity issues. Which two scenarios are potential issues that this administrator might face? (Choose two.)___
A. The vSwitch is not attached to the correct physical network.
B. The portgroup is not configured to use correct VLAN.
C. Traffic shaping is configured incorrectly.
D. Jumbo frames is configured incorrectly.
【多选题】
Which three items should be validated prior to installing ESXi 6.x? (Choose three.)___
A. Remote Storage has been disconnected.
B. Installation media is available.
C. Server hardware clock is set to UTC.
D. Storage has been partitioned with a VMFS volume.
E. Network cards have been setup to use Jumbo
F. rames.
【多选题】
An administrator is performing an interactive installation of ESXi 6.x. Which three options are available for installation? (Choose three.)___
A. DVD
B. USB
C. PXE
D. Scripted
E. Auto Deploy
【多选题】
After installation of a host in your test environment, you need to move it to production. The only major change that needs to be made is that the hostname of the server needs to change. What are two ways that an administrator can change the host name without editing configuration files on the host directly? (Choose two.)___
A. Login to the Direct Console User Interface and change it from here.
B. Edit the Default TCP/IP Configuration from the vSphere Web Client.
C. Use the Ruby vSphere Client to send a script to the ESXi host that updates the hostname.
D. Update the information in DNS and the
E. SXi host will automatically update with these changes.
【多选题】
An administrator has unsuccessfully attempted several times to install an Operating System inside a virtual machine. The administrator finds that the installation fails at random intervals. Which two actions can be taken to resolve this issue? (Choose two.)___
A. Verify the md5sum and if invalid, download the installation files again.
B. Attempt the installation an additional time.
C. Attempt to use a different installation media or installation method.
D. Create a new virtual machine and attempt the installation with the existing media.
【多选题】
VMware tools is failing to install on a Microsoft Windows virtual machine. What are two possible situations that would prevent the installation? (Choose two.)___
A. The VMware tools installation media is corrupt.
B. The incorrect Operating System was selected in the virtual machine options.
C. The software prerequisites have not been installed.
D. The prerequisite services have not been started.
【多选题】
As part of a multisite Single Sign-On (SSO) deployment what two steps are required to ensure that a change to one Single Sign-On instance is propagated to the other instances? (Choose two.)___
A. Schedule a Replication Task on the primary instance
B. Select the first instance during the installation of subsequent instances
C. During the installation of each instance choose Linked-Mode
D. Enable Synchronize to Active Directory on each instance
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【多选题】
在标准节流件中，孔板压损最大，为保证运行的经济性，对压损有严格限制，压损一般不允许超过___。
A. 60KPA；
B. 40KPA；
C. 80KPA；
D. 100PA、
【多选题】
在测量误差的分类当中，误差大小和符号固定或按一定规律变化的是___。
A. 系统误差；
B. 随机误差；
C. 粗大误差；
D. 绝对误差。
【多选题】
在测量误差中，误差大小和符号固定或按一定规律变化的是___。
A. 系统误差；
B. 随机误差；
C. 粗大误差。
【多选题】
在测量仪表接入热电偶回路测量热电动势理论依据是___。
A. 中间导体定律；
B. 均质导体定律；
C. 中间温度定律。
【多选题】
在交流电路中电阻两端的电压与流过电阻的电流___
A. 相位差180℃；
B. 相位差为0；
C. 方向相反。
【多选题】
在交流电压中频率代表___。
A. 电压变化的快慢；
B. 电压的大小；
C. 初相位的大小。
【多选题】
在热控测量系统图中，PE、FE、AE分别代表___。
A. 压力、压力、流量；
B. 压力、分析、流量；
C. 压力、流量、温度；
D. 压力流量分析。
【多选题】
在三相对称正弦交流电路中三相间的角度差为___。
A. 0；
B. 120度；
C. 150度；
D. 180度。
【多选题】
在下列A/D转换器中，转换速度较慢的是___。
A. 计数式A/D转换；
B. 逐次逼近型A/D转换；
C. 双积分式A/D转换；
D. 并行A/D转换。
【多选题】
在下列单位中属于国际单位制的基本单位的是___。
【多选题】
在选用气动调节阀时，即需要调节，又需要切断时，不可选用___。
A. 偏心旋转阀；
B. 单座阀；
C. 切断球阀；
D. 蝶阀。
【多选题】
在一个DCS系统中，最多可新建___个工程。
A. 256；
B. 255；
C. 8；
D. 32。
【多选题】
正确选择气动调节阀的作用方式-气开（气关）式，应从___几方面考虑。
A. 在事故状态下工艺系统和相关设备应处于安全条件；
B. 在事故状态下尽量减少原材料或动力的消耗，保证产品质量；
C. 在事故状态下考虑介质的特性，如有毒、有害、易燃、易爆等；
D. 制造工艺及造价。
【多选题】
正弦交流电三要素为___。
A. 电压、电流、功率；
B. 有效值、频率、相位；
C. 幅值、频率、初相位。
【多选题】
直流电有___。
A. 1V；
B. 5V；
C. 24V；
D. 220V。
【多选题】
智能仪表的软件包括___。
A. 监控程序；
B. 中断处理程序；
C. 实现各种算法的功能模块。
【多选题】
主控拨码开关设置原则___。
A. 从上到下，ON为0，OFF为1；
B. 从下到上，ON为0，OFF为1；
C. 从上到下，ON为1，OFF为0；
D. 从下到上，ON为1，OFF为0。
【多选题】
自动保护装置的作用是当设备运行工况发生异常或某些参数超过允许值时，发出报警信号，同时___避免设备损坏和保证人身安全。
A. 发出热工信号；
B. 自动保护动作；
C. 发出事故信号；
D. 发出停机信号。
【多选题】
自动调节器有___整定参数。
A. 比例带；
B. 积分时间；
C. 微分时间。
【多选题】
自动调节系统按调节器具有的调节规律来分，通常有___。
A. 比例；
B. 比例积分；
C. 比例微分；
D. 比例积分微分。
【多选题】
自动调节装置主要由___构成。
A. 变送器、调节器；
B. 变送器、执行器；
C. 调节器、执行器；
D. 以上都是。
【多选题】
调节系统最重要的品质指标是___。
A. 稳定性；
B. 准确性；
C. 快速性；
D. 可靠性。
【多选题】
下列能引起电磁流量计输出晃动的是___。
A. 流量本身不稳定；
B. 放大器有故障；
C. 管道内有气泡或介质系数不稳定；
D. 外界有强磁场干扰。
【多选题】
集散控制系统的生产管理级，是整个___的协调者和控制者。
A. 工艺系统；
B. 调节系统；
C. 控制系统；
D. 数据处理系统。
【多选题】
下列___部分属于可编程控制器。
A. 中央处理器；
B. 通信接口；
C. 编程器；
D. 编码器。
【多选题】
涡街流量计的频率和流体的___成正比。
A. 压力；
B. 密度；
C. 流速；
D. 温度。
【多选题】
质量流量计的主要特点之一是可直接测量___，与被测介质的温度、压力、粘度、密度变化无关。
A. 体积流量；
B. 质量流量；
C. 批量流量；
D. 累积流量。
【多选题】
非线性误差是指检验曲线与相应直线之间的___。
A. 最小偏差；
B. 最大偏差；
C. 平均偏差；
D. 百分偏差。
【多选题】
零漂是指仪表在参比工作条件下，输入一个恒定的值（零或测量范围的下限值）时的___。
A. 重复性；
B. 再现性；
C. 输出变化；
D. 可变性。
【多选题】
以下叙述中错误的是___。
A. 回差包括滞环和死区，并按输出量程的百分数表示；
B. 仪表的灵敏度越大，则仪表越灵敏；
C. 仪表的灵敏限数值越小则仪表越灵敏；
D. 仪表的重复性误差和再现性误差是同一概念。
【多选题】
有一个变化范围为150--450℃的温度，则用以下哪个温度仪表测量准确度最高___。
A. 1级0--600℃；
B. 0.5级200--450℃
C. 0.5级0--600℃；
D. 1级200--450℃。
【多选题】
在测量某些变化较快的温度时，采用无保护套管的热电偶，目的在于减小仪表的___。
A. 系统误差；
B. 滞后时间；
C. 时间常数；
D. 阻尼时间。
【多选题】
在节流装置的流量测量中进行温度、压力等修正是修正___。
A. 疏忽误差；
B. 系统误差；
C. 偶然误差；
D. 附加误差。
【多选题】
一般压力变送器只有当被测压力高于___时，仪表才有输出。
A. 大气压；
B. 绝对零压；
C. 真空度；
D. 表压。
【多选题】
压力由受力的面积和___的大小决定。
A. 垂直作用力；
B. 水平作用力；
C. 垂直与水平的合力；
D. 截面积。
【多选题】
当压力表测量高于___℃的热介质时，一般在压力表可加冷凝弯。
A. 40℃；
B. 60℃；
C. 50℃；
D. 30℃。
【多选题】
在校验1151。A、P绝对压力变送器时，若仪表的测量范围位50--150KPA、当时的大气压为100KPA、则在通上电源时，仪表的输出为___。
A. 4mA；
B. 8mA；
C. 12mA；
D. 10mA、
【多选题】
测量液位用的差压计，其差压量程___。
A. 由介质密度决定与封液密度无关；
B. 由封液密度决定与介质密度无关；
C. 两者都有关；D、两者都无关。
【多选题】
用单法兰液面计测量开口容器液位，液面计已校好，后因维护需要，仪表位置下移了一段距离，则仪表指示___。
A. 上升；
B. 下降；
C. 不变；
D. 无关。
